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最近在用HSPICE模擬PFD電路,
; ?! S* N1 z4 R有試過用2個D型正反器的結構,+ l) O L$ o/ f8 |( ^' b, {$ j- g
還有TSPC跟HT架構,
- Z- L1 \+ K1 ?. g x" [但跑出來的結果都不理想,甚至up跟dn完全就是錯的
% M# E. v3 E" Y* B不知道問題出在哪裡?% N' k8 C6 Z2 x& ]0 b
: N" u' H" y! Q***pfd***
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.protect
0 o: _" Y4 d: @" \.lib 'rf018.l' TT
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* \3 U, D3 B! h' W/ I.unprotect
) N3 }3 @* A. B/ s- i; T" W* }: C.option post+ H7 w8 G- Z7 n* _6 O
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vdd vdd 0 1.8
- ?1 F! {" C' mv1 clk1 gnd pulse(0 1.8 1m 0.1m 0.1m 1.5m 2.5m)) [0 ], \ B" T
v2 clk2 gnd pulse(0 1.8 1.5m 0.1m 0.1m 1.5m 2.5m)
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# s5 B0 c! ~, `8 H1 W( I** part1 **
1 h/ g% N2 e9 t f: p3 _- }7 qMM1 a clk1 vdd vdd pch l=0.18u W=2u, d$ G# {4 P. h
MM2 a clk2 b b nch l=0.18u W=2u
`+ z7 e. @3 g! k: G2 g' CMM3 b clk1 gnd gnd nch l=0.18u W=2u; `. h- q" o, U7 X
MM4 c a vdd vdd pch l=0.18u W=2u
( }! N/ P: }8 U9 e, C$ s$ UMM5 c clk1 d d nch l=0.18u W=2u
7 z8 U' f' R9 a# o; a* qMM6 d a gnd gnd nch l=0.18u W=2u) v8 }' o# O$ f3 O9 ~4 m0 Y
MM7 f c vdd vdd pch l=0.18u W=2u
, \ V3 @* l- \; G, C0 [MM8 f clk1 e e nch l=0.18u W=2u/ X: K0 r) l9 W. D
MM9 e c gnd gnd nch l=0.18u W=2u6 o# U* D$ D! J2 V5 @- |4 E
MM19 a dn gnd gnd nch l=0.18u W=2u, B* _3 J7 p5 w, Q* [$ j
" W, P: H# ^& a# J: W/ L6 z% aMM21 up f vdd vdd pch l=0.18u W=2u, _4 n/ e. U! C* p5 y! Z4 z
MM22 up f gnd gnd nch l=0.18u W=2u
' ^, E0 Z! Y! ?5 yMM23 up g vdd vdd pch l=0.18u W=2u
& R2 c! O2 g PMM24 up g gnd gnd nch l=0.18u W=2u& E; W$ y- o: q: {8 E
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** part2 **
# X/ _0 L6 Y7 S8 d+ v# }MM10 aa clk2 vdd vdd pch l=0.18u W=2u- I, h* z4 C8 f4 f r s) U5 g
MM11 aa clk1 bb bb nch l=0.18u W=2u7 n. c8 i2 {/ D4 P5 T+ y
MM12 bb clk2 gnd gnd nch l=0.18u W=2u/ K5 j' S1 V+ z0 ], S4 _: y
MM13 cc aa vdd vdd pch l=0.18u W=2u1 U5 d* E4 x0 @5 p3 O* I' ^
MM14 cc clk2 dd dd nch l=0.18u W=2u+ C5 Q" b: _) |6 A& h
MM15 dd aa gnd gnd nch l=0.18u W=2u
4 j+ F t: q" \. B$ W9 oMM16 ff cc vdd vdd pch l=0.18u W=2u
& S" m! k) g: b- y. pMM17 ff clk2 ee ee nch l=0.18u W=2u
1 S6 Q/ \9 I4 x3 r+ yMM18 ee cc gnd gnd nch l=0.18u W=2u" D! M. ^# c+ ~5 b! j
MM20 aa up gnd gnd nch l=0.18u W=2u
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: V; S0 k Q$ k+ k6 DMM25 dn ff vdd vdd pch l=0.18u W=2u
* ^) L2 Q" Z: g* s c0 i% kMM26 dn ff gnd gnd nch l=0.18u W=2u
. F1 Z: B. \$ ?7 [- F& \5 }% k" IMM27 dn gg vdd vdd pch l=0.18u W=2u
& s4 Y! m+ e/ L* z# D9 _MM28 dn gg gnd gnd nch l=0.18u W=2u- R O" k3 e. Y& n; O, v
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* Q4 k1 b/ ]* B4 O2 O) a" @. F.tran 10m 1000m
! ?9 c' ?7 c7 r6 q- t2 Z3 m+ k.print v(up)
L' D/ m/ Y4 q.probe v(up)
) f# {" j8 k; @- |, b" F4 [.print v(dn)
2 W* {; s0 f% h. V. L2 P& k$ }.probe v(dn)4 [" v4 n5 f. X5 Y; V% g8 D
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.OP
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, |8 P6 v: L- M$ N: I& V上面為TSPC的程式碼
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1 |1 ?1 V# ?' `7 S拜託大家了! b j6 g" o4 o i2 h7 h# ~- m1 e
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